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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 0 |
| 3 | 0 |
| 4 | 1 |
| 5 | 4 |
| 6 | 10 |
| 7 | 19 |
| 8 | 30 |
| 9 | 45 |
| 10 | 66 |
| 11 | 94 |
| 12 | 130 |
| 13 | 172 |
| 14 | 221 |
| 15 | 278 |
| 16 | 344 |
| 17 | 422 |
| 18 | 511 |
| 19 | 611 |
| 20 | 723 |
| 21 | 848 |
| 22 | 987 |
| 23 | 1140 |
| 24 | 1308 |
| 25 | 1491 |
| 26 | 1691 |
| 27 | 1909 |
| 28 | 2146 |
| 29 | 2401 |
| 30 | 2673 |
| 31 | 2965 |
| 32 | 3278 |
| 33 | 3614 |
| 34 | 3974 |
| 35 | 4355 |
| 36 | 4759 |
| 37 | 5186 |
| 38 | 5638 |
| 39 | 6117 |
| 40 | 6623 |
| 41 | 7156 |
| 42 | 7716 |
| 43 | 8305 |
| 44 | 8923 |
| 45 | 9571 |
| 46 | 10249 |
| 47 | 10958 |
| 48 | 11700 |
| 49 | 12475 |
| 50 | 13285 |
| 51 | 14127 |
| 52 | 15003 |
| 53 | 15914 |
| 54 | 16862 |
| 55 | 17849 |
| 56 | 18874 |
| 57 | 19937 |
| 58 | 21037 |
| 59 | 22177 |
| 60 | 23358 |
| 61 | 24581 |
| 62 | 25846 |
| 63 | 27153 |
| 64 | 28504 |
[0,0,0,1,4,10,19,30,45,66,94,130,172,221,278,344, 422,511,611,723,848,987,1140,1308,1491,1691,1909, 2146,2401,2673,2965,3278,3614,3974,4355,4759,5186, 5638,6117,6623,7156,7716,8305,8923,9571,10249, 10958,11700,12475,13285,14127,15003,15914,16862, 17849,18874,19937,21037,22177,23358,24581,25846, 27153,28504] |